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Part two of nine in The Kin Score, Facet By Facet: Contract Quality asks the question everything else rests on. Is there a machine-readable contract for this API, and is it any good? Across the… apievangelist.com/2026/09/30/the-ki…

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APIs.io @apis.io · 29/09/2026

SDK for the scheduled job, a JSON CLI for the unattended agent, MCP for interactive work. Postman's answer: generate all three from one spec. The spec must say what happens when a call runs twice. apis.io/2026/09/29/postman-says-gen…

Black and white editorial illustration for the apis.io post "Postman says generate the SDK, the CLI and the MCP server from one spec".

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API Evangelist @apievangelist.com · 29/09/2026

Ever since we launched APIs.io in 2014, one request has come up more than any other: can I run this inside my company? People did not want a public search engine for other people's APIs as much… apievangelist.com/2026/09/29/apis-i…

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API Evangelist @apievangelist.com · 29/09/2026

The OpenAPI Initiative announced OpenAPI 3.2 on September 23rd, 2025. Almost exactly a year later, on September 22nd, the Fastify project shipped fastify-swagger v9.9.0, and its release notes are a single… apievangelist.com/2026/09/29/fastif…

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API Evangelist @apievangelist.com · 29/09/2026

I couldn't find my UK power adapter before leaving yesterday, so I bought one in the airport. My hotel in London is modern and there are USB and USB-C plugs all over the room. I don't need my adapter. #Standardization #APIs

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API Evangelist @apievangelist.com · 29/09/2026

Searching for an API? So is your agent. - apis.io

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API Evangelist @apievangelist.com · 29/09/2026

I have spent a lot of my career sitting with teams who are proud of their API, and who have no idea what it looks like from the outside. This is the single most consistent thing I have found… apievangelist.com/2026/09/29/you-ca…

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API Evangelist @apievangelist.com · 29/09/2026

On a planning call a few weeks ago I said something out loud that I had been sorting in my head for months: there are four ways a company reacts when I publish a Kin Score about it. It ignores… apievangelist.com/2026/09/28/the-fo…

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API Evangelist @apievangelist.com · 28/09/2026

"Agent-ready" has become one of those phrases that means whatever the person saying it needs it to mean. So I want to be specific about what it means in the Kin Score, because there it is… apievangelist.com/2026/09/28/the-st…

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API Evangelist @apievangelist.com · 28/09/2026

APIDays London is this Wednesday and Thursday, 30 September and 1 October, at Convene Sancroft next to St. Paul's. Before I go, I did what I always do with an agenda: I read every… apievangelist.com/2026/09/28/every-…

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API Evangelist @apievangelist.com · 28/09/2026

Simon Mikulcik on API features as a first-class artifact with OpenAPI Overlays: "OpenAPI workflows are missing a key artifact: the API Feature. Many development teams use primitive Git PRs and…" medium.com/@smikulcik/api-features-…

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API Evangelist @apievangelist.com · 28/09/2026

Version 0.23.0 of the Kin Score is live. I had pinned it to API Days London on September 30th and froze the rubric on September 13th to hit that date. Then I shipped it five days early, on purpose, so that… apievangelist.com/2026/09/28/kin-sc…

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API Evangelist @apievangelist.com · 28/09/2026

Your weakest API is your brand too. apis.io/estates/

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API Evangelist @apievangelist.com · 28/09/2026

I've been adding business capabilities and conversational overlays to APIs.io provider profiles. apis.io/providers/hu...

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APIs.io @apis.io · 28/09/2026

Auth0's HealthCheck skill audits a tenant with a read-only app and stages every fix behind a terminal approval. "No changes are ever applied automatically." The pattern every agent skill should ship with. apis.io/2026/09/28/auth0-lets-an-ag…

Black and white editorial illustration for the apis.io post "Auth0 lets an agent audit a tenant, and never lets it write without asking".

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API Evangelist @apievangelist.com · 28/09/2026

Pipedrive has published a machine-readable cost for calling each thing, inside the contract, next to the description that tells an agent when to call it. x-token-cost: 371 occurrences across… apievangelist.com/2026/09/28/pipedr…

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API Evangelist @apievangelist.com · 28/09/2026

One of the blockers keeping me from getting to the next level with APIs.io and my API Evangelist profiling work was me being pedantic about the precision of every OpenAPI and supporting artifact I… apievangelist.com/2026/09/26/apis-i…

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API Evangelist @apievangelist.com · 25/09/2026

Every leadership team I talk to is being sold an agent strategy right now. Most of those roadmaps are organized by model and by vendor: which LLM, which platform, which copilot. That is… apievangelist.com/2026/09/25/before…

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API Evangelist @apievangelist.com · 25/09/2026

One of the things Z and I talked about in our recent conversation (that is Zdenek Nemec, of Apiary and Superface) was his engagement with younger engineers and… apievangelist.com/2026/09/25/the-ki…

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API Evangelist @apievangelist.com · 25/09/2026

From Pandium, with some data from me: The Five Questions to Ask Before (and After) You Build an MCP Server. Teams don't ask "should we build an MCP server" once and move on. Some haven't built… www.pandium.com/blogs/the-five-ques…

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API Evangelist @apievangelist.com · 25/09/2026

In my recent conversation with Zdenek Nemec, Z of Apiary and Superface fame, we talked about just how hard it is for agents to onboard with your APIs. I am painfully aware of this in my own work, but… apievangelist.com/2026/09/25/the-we…

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API Evangelist @apievangelist.com · 25/09/2026

Zdenek Nemec has been thinking about machines integrating with APIs on their own longer than almost anyone I know — from API Blueprint at Apiary through Superface, which he built around the idea of… conversations.apievangelist.com/sto…

Portrait of Zdenek Nemec, founder of Superface, from the API Evangelist conversation.

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API Evangelist @apievangelist.com · 25/09/2026

Compare vendors on what they ship. apis.io

apis.io promo card: Compare vendors on what they ship. Six facets, nineteen dimensions, 26,808 providers, one rubric. Read the score before you read the sales deck.

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API Evangelist @apievangelist.com · 25/09/2026

I have spent two days running our profiling pipeline hard against the backlog — a few hundred companies, each one probed the way an agent would probe it: fetch the front door, look for a… apievangelist.com/2026/09/25/the-wa…

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fkilcommins @fkilcommins.bsky.social · 25/09/2026

We've now assessed 10,000+ #APIs for AI-readiness. At that scale, patterns become hard to argue with. Most APIs weren't built to be integrated by machines that reason, and the data keeps confirming it. Check out the directory for more info. Check out the directory: jentic.com/apis

jentic.com

Jentic API Directory — Connect AI Agents to Any API

Discover 10,000+ production-ready APIs organized by category. Connect your AI agents in minutes with validated OpenAPI specifications.

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fkilcommins @fkilcommins.bsky.social · 25/09/2026

The September edition of "Jentic Tech Talk" from @jentic.bsky.social is out. There's some interesting content especially for those who care about API usage for agentic systems. jentic.com/newsletter/t...

jentic.com

Jentic Tech Talk — September 2026 | Newsletter

The newsletter for teams building AI that actually ships. Covering APIs, AI agents, open standards, and enterprise architecture.

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API Evangelist @apievangelist.com · 25/09/2026

People do not ask their LLMs for `POST /v1/refunds`. They ask "can I give a partial refund instead of refunding the whole charge?" And when they hand the work to an agent they… apievangelist.com/2026/09/24/overla…

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API Evangelist @apievangelist.com · 24/09/2026

Back in June I wrote that Kong Konnect has two front doors and neither one is the one I want. There was the platform admin API behind a personal access token, and there was the… apievangelist.com/2026/09/24/kong-a…

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API Evangelist @apievangelist.com · 24/09/2026

Spectral is an open-source OpenAPI, AsyncAPI, and JSON Schema focused linting tool created by now acquired Stoplight. The tool is much like ES Lint for JavaScript, and Rubocop for Ruby, it spots mistakes in code. At first people… apisyouwonthate.com/p/3ef67300-cc39…

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API Evangelist @apievangelist.com · 24/09/2026

Amazon Opened Seller Central To Agents, And Kept The Storefront Closed apievangelist.com/2026/09/24/amazon…

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API Evangelist @apievangelist.com · 23/09/2026

Zuplo Declares A Whole MCP Server Inside Its OpenAPI apievangelist.com/2026/09/23/zuplo-…

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API Evangelist @apievangelist.com · 23/09/2026

Centralized Decisions, Distributed Enforcement, And The Org Chart Behind The Gateway apievangelist.com/2026/09/23/centra…

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APIs.io @apis.io · 22/09/2026

Codehooks: "Being able to answer questions about a webhook three weeks later is a different job, and it is the one that tends to get skipped." Kin Score 41.7, and idempotency is unlit on its own API. apis.io/2026/09/22/codehooks-store-…

Black and white editorial illustration for the apis.io post "Codehooks says store the webhook before you process it, and its own idempotency signal is dark".

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API Evangelist @apievangelist.com · 21/09/2026

What is the difference between a bot and an agent? apis.io/analytics/

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APIs.io @apis.io · 21/09/2026

A2A Agent Cards - Every provider on the APIs.io network serving a machine-readable agent discovery manifest at the A2A well-known path — graded against the A2A 1.0.0 specification rather than merely counted. apis.io/a2a/

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